Learn how to say Stagnated correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word stagnate:
(of water or air) cease to flow or move; become stagnant.
cease developing; become inactive or dull:
teaching can easily stagnate into a set of routines
(as adjective stagnating)
stagnating consumer confidence
mid 17th century: from Latin stagnat- ‘settled as a still pool’, from the verb stagnare, from stagnum ‘pool’